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Finding the Third Proportional to 568.13 and 877.31

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Solution

The third proportional to 568.13 and 877.31 is: 1,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.13 : 877.31 = 877.31 : x
  2. Step 2: Convert to fraction form
    568.13/877.31 = 877.31/x
  3. Step 3: Cross multiply
    568.13x = 877.31 × 877.31
  4. Step 4: Simplify right side
    568.13x = 769,677.22
  5. Step 5: Solve for x
    x = 769,677.22/568.13
  6. Step 6: Final answer
    x = 1,354.77

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.